var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var session = require('express-session');
var logger = require('morgan');

var indexRouter = require('./routes/index');
var userRouter = require('./routes/user');
var roleRouter = require('./routes/role');
var menuRouter = require('./routes/menu');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

app.use(session({
    secret: 'rbac',
    cookie: { maxAge: 1000 * 60 *5}
}));


//登陆拦截
app.use(function (req, res, next) {
    //未登录拦截
    if(req.session.user==undefined){
        if(req.originalUrl!='/'&&req.originalUrl!='/login'){
            return res.redirect('/');
        }
    }
    next();
});

app.use('/', indexRouter);
app.use('/user', userRouter);
app.use('/role', roleRouter);
app.use('/menu', menuRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
